main{
    height:5.4rem;
    ul{
        width:2.13rem;
        height:5.1rem;
        display:flex;
        align-content: space-evenly;
        flex-wrap: wrap;
        margin:0.13rem;
        li{
            margin:0.04rem;
            padding:0.06rem;
            // width:0.88rem;
            // height:0.29rem;
            background-color: #f4f4f4;
            display: flex;
            justify-content: center;
            align-items: center;
            border:1px solid #999;
            // box-sizing:
        }
    }
}